Description
An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Published: 2024-08-22
Score: 4.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00097}

 epss

{'score': 0.00105}

Tue, 10 Sep 2024 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Matrix
Matrix olm
Weaknesses CWE-327
CPEs cpe:2.3:a:matrix:olm:*:*:*:*:*:*:*:*
Vendors & Products Matrix
Matrix olm
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

 cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 01 Sep 2024 19:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). This refers to the libolm implementation of Olm. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Wed, 28 Aug 2024 19:00:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). NOTE: This vulnerability only affects products that are no longer supported by the maintainer. An issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Thu, 22 Aug 2024 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 22 Aug 2024 15:30:00 +0000

Type Values Removed Values Added
Description An issue was discovered in Matrix libolm (aka Olm) through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does not ensure that S < n). NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
References

Subscriptions

Matrix Olm
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-09-10T18:34:25.640Z

Reserved: 2024-08-22T00:00:00.000Z

Link: CVE-2024-45193

cve-icon Vulnrichment

Updated: 2024-08-22T15:56:11.114Z

cve-icon NVD

Status : Analyzed

Published: 2024-08-22T16:15:10.300

Modified: 2025-06-17T19:51:54.887

Link: CVE-2024-45193

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses